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Protostar Formation

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Questions and Answers

What triggers the initial collapse of giant molecular clouds?

The shock front from a nearby supernova (correct)

The radiation pressure from OB associations

The movement of stars and clouds

The rotation of spiral galaxies

What is the result of the gravitational collapse of a GMC?

Fragmentation into smaller denser regions that each collapse to form star systems (correct)

Formation of a planetary system

No star formation occurs

Formation of a single massive star

What is the role of convection in the collapse of a protostar?

Increasing the kinetic energy of particles

Trapping thermal energy within the cloud

Raising the temperature of the gas

Radiating away thermal energy so that radiation pressure remains lower than gravitational pull (correct)

What is the timescale for the collapse of a 15 M protostar?

<p>105 years</p> Signup and view all the answers

What is a Hayashi or Pre-main sequence (PMS) track?

<p>A theoretical evolutionary track of the protostar stage</p> Signup and view all the answers

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Description

"Test Your Knowledge: What Triggers the Formation of Protostars in Giant Molecular Clouds?" - Discover the fascinating process behind protostar formation and the possible causes that trigger the collapse of giant molecular clouds. From supernovae shock fronts to gravitational instability, this quiz will challenge your understanding of the birth of stars and the role of molecular clouds in the universe. Perfect for astronomy enthusiasts and science lovers alike, come and test your knowledge!